/*
 * This file is part of aion-engine <aion-engine.com>
 *
 * aion-engine is private software: you can redistribute it and or modify
 * it under the terms of the GNU Lesser Public License as published by
 * the Private Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * aion-engine is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser Public License
 * along with aion-engine.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.aionengine.gameserver.controllers.observer;

import com.aionengine.gameserver.model.gameobjects.Creature;
import com.aionengine.gameserver.model.gameobjects.player.Player;
import com.aionengine.gameserver.utils.MathUtil;

/**
 * @author nrg
 */
public abstract class DialogObserver extends ActionObserver {

    private Player responder;
    private Creature requester;
    private int maxDistance;

    public DialogObserver(Creature requester, Player responder, int maxDistance) {
        super(ObserverType.MOVE);
        this.responder = responder;
        this.requester = requester;
        this.maxDistance = maxDistance;
    }

    @Override
    public void moved() {
        if (!MathUtil.isIn3dRange(responder, requester, maxDistance))
            tooFar(requester, responder);
    }

    /**
     * Is called when player is too far away from dialog serving object
     */
    public abstract void tooFar(Creature requester, Player responder);
}
